Home / 5,134.99-7,085.48-2,896.82

Finding the Fourth Proportional to 5,134.99, 7,085.48 and 2,896.82

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Solution

The fourth proportional to 5,134.99, 7,085.48 and 2,896.82 is: 3,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.99 : 7,085.48 = 2,896.82 : x
  2. Step 2: Convert to fraction form
    5,134.99/7,085.48 = 2,896.82/x
  3. Step 3: Cross multiply
    5,134.99x = 7,085.48 × 2,896.82
  4. Step 4: Simplify right side
    5,134.99x = 20,525,368.98
  5. Step 5: Solve for x
    x = 20,525,368.98/5,134.99
  6. Step 6: Final answer
    x = 3,997.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.